From 9682e0c73310dae496912d7b8bc54add0fd0c3e7 Mon Sep 17 00:00:00 2001
From: "Justin Clark-Casey (justincc)" <jjustincc@googlemail.com>
Date: Thu, 1 Jul 2010 22:52:31 +0100
Subject: [PATCH] Implement media texture persistence over server restarts for
 sqlite

This is currently persisting media as an OSDArray serialized to LLSD XML.
---
 OpenSim/Data/SQLite/SQLiteRegionData.cs       | 36 ++++++++++++++++---
 .../Framework/Scenes/SceneObjectPart.cs       | 22 +++++++++++-
 prebuild.xml                                  |  1 +
 3 files changed, 54 insertions(+), 5 deletions(-)

diff --git a/OpenSim/Data/SQLite/SQLiteRegionData.cs b/OpenSim/Data/SQLite/SQLiteRegionData.cs
index 81d0ac4f6e..fc9667b6d0 100644
--- a/OpenSim/Data/SQLite/SQLiteRegionData.cs
+++ b/OpenSim/Data/SQLite/SQLiteRegionData.cs
@@ -34,6 +34,7 @@ using System.Reflection;
 using log4net;
 using Mono.Data.Sqlite;
 using OpenMetaverse;
+using OpenMetaverse.StructuredData;
 using OpenSim.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
@@ -974,6 +975,8 @@ namespace OpenSim.Data.SQLite
             createCol(prims, "CollisionSoundVolume", typeof(Double));
 
             createCol(prims, "VolumeDetect", typeof(Int16));
+            
+            createCol(prims, "MediaURL", typeof(String));
 
             // Add in contraints
             prims.PrimaryKey = new DataColumn[] {prims.Columns["UUID"]};
@@ -1021,6 +1024,7 @@ namespace OpenSim.Data.SQLite
             // way to specify this as a blob atm
             createCol(shapes, "Texture", typeof (Byte[]));
             createCol(shapes, "ExtraParams", typeof (Byte[]));
+            createCol(shapes, "Media", typeof(String));
 
             shapes.PrimaryKey = new DataColumn[] {shapes.Columns["UUID"]};
 
@@ -1339,6 +1343,12 @@ namespace OpenSim.Data.SQLite
 
             if (Convert.ToInt16(row["VolumeDetect"]) != 0)
                 prim.VolumeDetectActive = true;
+            
+            if (!(row["MediaURL"] is System.DBNull))
+            {
+                m_log.DebugFormat("[SQLITE]: MediaUrl type [{0}]", row["MediaURL"].GetType());
+                prim.MediaUrl = (string)row["MediaURL"];
+            }
 
             return prim;
         }
@@ -1614,7 +1624,6 @@ namespace OpenSim.Data.SQLite
             row["PayButton3"] = prim.PayPrice[3];
             row["PayButton4"] = prim.PayPrice[4];
 
-
             row["TextureAnimation"] = Convert.ToBase64String(prim.TextureAnimation);
             row["ParticleSystem"] = Convert.ToBase64String(prim.ParticleSystem);
 
@@ -1674,7 +1683,8 @@ namespace OpenSim.Data.SQLite
                 row["VolumeDetect"] = 1;
             else
                 row["VolumeDetect"] = 0;
-
+            
+            row["MediaURL"] = prim.MediaUrl;
         }
 
         /// <summary>
@@ -1849,6 +1859,19 @@ namespace OpenSim.Data.SQLite
             s.TextureEntry = textureEntry;
 
             s.ExtraParams = (byte[]) row["ExtraParams"];
+            
+            if (!(row["Media"] is System.DBNull))
+            {
+                string rawMeArray = (string)row["Media"];
+                OSDArray osdMeArray = (OSDArray)OSDParser.DeserializeLLSDXml(rawMeArray);
+                
+                List<MediaEntry> mediaEntries = new List<MediaEntry>();
+                foreach (OSD osdMe in osdMeArray)
+                    mediaEntries.Add(MediaEntry.FromOSD(osdMe));
+                
+                s.Media = mediaEntries;
+            }
+                        
             return s;
         }
 
@@ -1892,17 +1915,22 @@ namespace OpenSim.Data.SQLite
 
             row["Texture"] = s.TextureEntry;
             row["ExtraParams"] = s.ExtraParams;
+            
+            OSDArray meArray = new OSDArray();
+            foreach (MediaEntry me in s.Media)
+                meArray.Add(me.GetOSD());
+            
+            row["Media"] = OSDParser.SerializeLLSDXmlString(meArray);
         }
 
         /// <summary>
-        ///
+        /// Persistently store a prim.
         /// </summary>
         /// <param name="prim"></param>
         /// <param name="sceneGroupID"></param>
         /// <param name="regionUUID"></param>
         private void addPrim(SceneObjectPart prim, UUID sceneGroupID, UUID regionUUID)
         {
-
             DataTable prims = ds.Tables["prims"];
             DataTable shapes = ds.Tables["primshapes"];
 
diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index c25c9734c6..a8c20ddf32 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -320,6 +320,11 @@ namespace OpenSim.Region.Framework.Scenes
         protected Vector3 m_lastAcceleration;
         protected Vector3 m_lastAngularVelocity;
         protected int m_lastTerseSent;
+        
+        /// <summary>
+        /// Stores media texture data
+        /// </summary>
+        protected string m_mediaUrl;
 
         // TODO: Those have to be changed into persistent properties at some later point,
         // or sit-camera on vehicles will break on sim-crossing.
@@ -965,6 +970,7 @@ namespace OpenSim.Region.Framework.Scenes
                 TriggerScriptChangedEvent(Changed.SCALE);
             }
         }
+        
         public byte UpdateFlag
         {
             get { return m_updateFlag; }
@@ -974,7 +980,21 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Used for media on a prim
         /// </summary>
-        public string MediaUrl { get; set; }
+        public string MediaUrl 
+        { 
+            get
+            {
+                return m_mediaUrl; 
+            }
+            
+            set               
+            {   
+                m_mediaUrl = value;
+                
+                if (ParentGroup != null)
+                    ParentGroup.HasGroupChanged = true;        
+            }
+        }
 
         [XmlIgnore]
         public bool CreateSelected
diff --git a/prebuild.xml b/prebuild.xml
index 1eb8fee64b..1eabc4b8de 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -2238,6 +2238,7 @@
       <Reference name="OpenSim.Region.Framework"/>
       <Reference name="OpenMetaverseTypes.dll"/>
       <Reference name="OpenMetaverse.dll"/>
+      <Reference name="OpenMetaverse.StructuredData.dll"/>
       <Reference name="Mono.Data.Sqlite"/>
       <Reference name="Mono.Addins.dll" />
       <Reference name="log4net.dll"/>